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2013-05-23 12:21
求翻译：Estimates that include second language speakers vary greatly from 470 million to over a billion depending on how literacy or mastery is defined and measured.[43][44] Linguistics professor David Crystal calculates that non-native speakers now outnumber native speakers by a ratio of 3 to 1.[45]是什么意思？ 待解决
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Estimates that include second language speakers vary greatly from 470 million to over a billion depending on how literacy or mastery is defined and measured.[43][44] Linguistics professor David Crystal calculates that non-native speakers now outnumber native speakers by a ratio of 3 to 1.[45]
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湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
